<div class="container">
    <div class="row">
        <div class="col-md-3 col-lg-3">
        </div>
        <div class="col-xs-12 col-sm-12 col-md-6 col-lg-6">
            <div class="panel panel-info">
                <div class="panel-heading">
                    <h3 class="panel-title">用户注册</h3>
                </div>
                <div class="panel-body">
                    <form class="form-horizontal" role="form">
                        <div class="form-group">
                            <label for="tuser" class="col-sm-3 control-label">用户名</label>
                            <div class="col-sm-9">
                                <input type="text" class="form-control" id="tuser" placeholder="用户名">
                            </div>
                        </div>
                        <div class="form-group">
                            <label for="tpass" class="col-sm-3 control-label">密码</label>
                            <div class="col-sm-9">
                                <input type="password" class="form-control" id="tpass" placeholder="密码">
                            </div>
                        </div>
                        <div class="form-group">
                            <label for="tpass2" class="col-sm-3 control-label">确认密码</label>
                            <div class="col-sm-9">
                                <input type="password" class="form-control" id="tpass2" placeholder="密码">
                            </div>
                        </div>
                        <div class="form-group">
                            <div class="col-sm-offset-3 col-sm-9">
                                <button type="submit" class="btn btn-info btn-sm">注册
                                   
                                </button>
                                <small>
                    有用户名,<a class="text-info" href="#!/login">登录?</a>
                </small>
                            </div>
                        </div>
                    </form>
                </div>
            </div>
        </div>
        <div class="col-md-3 col-lg-3">
        </div>
    </div>
</div>